Genetics are a big part of it, like you would expect, but its a bit more nuanced than what we learned in high school biology.

DNA traits are the genetic codes that explain why you look, think, and even behave in certain ways. Each of us has a unique combination of genes that constitute our genetic blueprint. The DNA ...

"The eyes are the window to the soul," notes a timeless quote. And while your eyes also bring the world your way, the origins of eye color are fascinating and even mysterious. To help lay out the ...

Add Yahoo as a preferred source to see more of our stories on Google. They say that eyes are the windows to the soul. Often, a person's eye color is the first thing we notice about them when we meet ...

All of the different plants on Earth—from mango trees to marigolds—have come about thanks to the simple rules of genetic inheritance, which determine how traits are passed on from one generation to ...